Table 2.
Frequencies of homozygously recessive characteristics among patients with manifested ischemic stroke and controls.
| Homozygously Recessive Characteristics | Controls N = 194, n (%) |
Ischemic Stroke Group N = 120, n (%) |
χ2 | OR (95% CI) |
|---|---|---|---|---|
| Blond Hair | 52 (26.80) | 29 (24.17) | 0.258 | 0.87 (0.51–1.47) |
| Straight Hair | 121 (62.37) | 88 (73.33) | 1.930 | 1.64 (0.99–2.69) |
| Double Hair Whorl | 19 (9.79) | 12 (10.00) | 0.005 | 1.02 (0.48–2.19) |
| Opposite Hair Whorl Orientation | 40 (20.62) | 29 (24.17) | 0.611 | 1.23 (0.71–2.11) |
| Soft Hair | 92 (47.42) | 73 (60.83) | 3.792 | 1.72 * (1.08–2.73) |
| Continuous Hair Line | 96 (49.48) | 36 (30.00) | 7.669 ** | 0.44 ** (0.27–0.71) |
| Attached Ear Lobe | 31 (15.98) | 14 (11.67) | 1.162 | 0.69 (0.35–1.37) |
| Ear Without Darwinian notch | 18 (9.28) | 17 (14.17) | 2.577 | 1.61 (0.80–3.27) |
| Blue Eyes | 57 (29.38) | 68 (56.67) | 25.349 ** | 3.14 ** (1.95–5.06) |
| Speaking deficiency -guttural “r” | 12 (6.19) | 8 (6.67) | 0.037 | 1.08 (0.43–2.73) |
| Inability to Transversally Tongue Roll | 52 (26.80) | 51 (42.50) | 9.197 ** | 2.02 ** (1.25–3.27) |
| Inability to Longitudinally Tongue Roll | 73 (37.63) | 49 (40.83) | 0.272 | 1.14 (0.72–1.82) |
| Right Thumb over Left Thumb | 97 (50.00) | 78 (65.00) | 4.500 * | 1.86 ** (1.16–2.97) |
| Top Joint of the Thumb >45° | 47 (24.23) | 21 (17.50) | 1.869 | 0.66 (0.37–1.18) |
| Hypermobility of proximal thumb joint | 21 (10.82) | 14 (11.67) | 0.067 | 1.09 (0.53–2.23) |
| Proximal thumb extensibility | 69 (35.57) | 38 (31.67) | 0.428 | 0.84 (0.52–1.36) |
| Three tendons in the wrist | 84 (43.30) | 56 (46.67) | 0.262 | 1.15 (0.73–1.81) |
| Left-handedness | 29 (14.95) | 16 (13.33) | 0.176 | 0.88 (0.45–1.69) |
| Index finger longer than the ring finger | 86 (44.33) | 53 (44.17) | 0.001 | 0.99 (0.63–1.57) |
| ∑χ2 = 60.162 ** | ||||
* p < 0.05; ** p < 0.01.